Essegg is/was the German name for Osijek, the 4th largest city in Croatia.
"The Osijek area used to be much more industrialised and a broad range of goods and products were being manufactured there[...] Other industries included production of synthetic materials, agricultural machinery, metal furniture, wood and timber, textiles, footwear, and silk, as well as metal processing and printing. [...]. Osijek - Wikipedia, the free encyclopedia
